In the first combat encounter of the game, where you have just freed yourself from restraints, you can earn the “Trepangus” achievement by utilizing stealth. Grab an enemy and guide them back to the vent you entered from. Toss the enemy into the vent to successfully unlock the achievement. It may require a few attempts to position the enemy correctly.

To earn the “Average Weapons Fan” achievement, locate weapon workbenches and weapon parts scattered throughout the game. Interact with a workbench and customize a weapon by adding any attachment you choose. This straightforward action will unlock the achievement.

To unlock the “You Monster!” achievement, target a TF27 soldier in Site 14. First, provoke these friendly soldiers by attacking a few of them before extraction. Once they become aggressive, you can grab them and throw them into the helicopter blades, earning the achievement.

To unlock the “You’re Paying For Their F***ing Surgery!” achievement, eliminate all TF27 soldiers in Site 14. Initially friendly and assisting with extraction, these soldiers must be stopped before boarding the helicopter. Don’t forget to throw at least one of them into the helicopter blades to achieve the “You Monster!” milestone.

To obtain the “Dry Party” achievement, you must shatter a total of 100 beer/wine bottles throughout the game. Numerous bars and locations will feature these bottles, which can be destroyed by various means, such as grenades. If, by any chance, you have not reached the required count naturally, you can head to the Pandora Institute stage and destroy some bottles using your own grenades.

While progressing through the game, you can unlock the “50 shades of burnt” achievement by destroying 1000 cultist books. Jorvik Castle provides a suitable stage for this task, where you can utilize grenades to eliminate these books.

To earn the “Slide Into Your DMs” achievement, perform a sliding maneuver into an enemy while they are in a ragdoll state. This action may require a few attempts to execute successfully.

To unlock the “You’re a Firework” achievement, grab an enemy and initiate a throw with them while they are being used as a hostage grenade. Shoot the enemy after the throw to detonate their grenade. Utilizing focus mode can assist in achieving this milestone.

For the “Efficient” achievement, empty an entire pistol magazine while scoring headshot kills. The later part of the Pandora Institute stage offers a favorable opportunity to attempt this feat. Utilize focus mode to ensure accurate shots, and be cautious of enemies potentially interfering with each other during the process. Alternatively, you can attempt this challenge through stealth gameplay.

While pursuing the abovementioned achievement, “Efficient,” you will also unlock the “That Was a Close One!” achievement. To earn this, deliver a headshot to an enemy using the last bullet in your magazine. Pistols and DMRs are well-suited for this task.

To accomplish the “Solid 106” achievement, execute a stealth kill on a whole enemy squad without alerting any of them. The first encounter in Jorvik Castle presents a convenient opportunity for this challenge. Equip a DMR with a silencer attachment and silently eliminate enemies from an elevated position.

For the “Stylish” achievement, grab an enemy and throw them into the air. While they are airborne, activate focus mode and use a DMR to perform a headshot, resulting in their demise.

To unlock the “Oh Snap!” achievement, perform an execution on an enemy by grabbing them and initiating a melee attack.

Opportunities will arise throughout the game to achieve the “How’s That Helmet Working?” milestone. Aim for an enemy’s helmet and eliminate them by shooting through it with a DMR. Utilizing focus mode can assist in aiming precisely.

During the final encounter with enemies emerging from the elevator in Site 14, you can pursue the “Cost Effective” achievement. Throw a grenade when the elevator light illuminates, aiming to eliminate 3 enemies with a single explosion. If unsuccessful, reloading your latest checkpoint provides another opportunity to attempt this achievement.

The “Backfired” achievement poses a challenge, but with the right approach, it can be conquered. It is recommended to equip a DMR and seek out enemies who frequently throw grenades. Prepare to quickly reach the enemy to retry the attempt in case of failure. Damaging the enemy prior to the attempt ensures their demise with a single shot. Utilize focus mode when the enemy is about to throw a grenade and shoot the grenade itself as soon as possible. Although there is no foolproof way to lure an enemy into throwing a grenade, try cloaking after being spotted by the enemy and hope for a favorable opportunity.

To obtain the “Stick Around” achievement, locate tomahawks near the end of the Jorvik Castle stage. Once acquired, you can equip and utilize the tomahawk as a lethal weapon. This achievement can also be unlocked in the safe house, allowing you to bring the tomahawk with you in other missions.

To unlock the “Flashlight!” achievement, you can easily achieve it by engaging in combat with your flashlight turned on. However, if you haven’t obtained the achievement naturally, you can try shining your flashlight on an isolated enemy from behind and quickly eliminate them before they turn around. Using a high-damage weapon can increase your chances of success.

Please note that the “Think Fast!” achievement may be currently bugged, as reported by players. Various attempts have been made to unlock this achievement, but no confirmed successful methods have been found thus far. If you manage to unlock this achievement, please share your approach so that the guide can be updated accordingly.

During your progression in the Pandora Institute level, you will come across a cutscene where you retrieve a syndicate medallion from Dr. Emerson’s corpse. To unlock the “Emersus” achievement, repeatedly strike the corpse with melee attacks until it explodes.

The first desk can be found in the room immediately on the left side of the hallway. The second desk is located in a small room slightly further ahead within the same area.